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A 1.3 kg block is resting against a light, compressed spring at the bottom of a

ID: 2980291 • Letter: A

Question

A 1.3 kg block is resting against a light, compressed spring at the bottom of a rough plane inclined at an angle of 32 degrees.The coefficient of kinetic friction between block and plane is uk = 0.1. Suppose the spring is compressed 18 cm from its equilibrium length. The spring is then released, and the block separates from the spring and slides up the incline a distance of only 4 cm beyond the spring's normal length before it stops. (a) determine the change in total mechanical energy of the system. (b) determine the spring constant k.

Explanation / Answer

Similar problem is solved here..... http://physics.bu.edu/~redner/211-sp06/class-energy/spring_incline1.html

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